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BMW N47 vs 1.9 D / dTi: which engine is more reliable?

According to our risk index, the 1.9 D / dTi carries less risk than the BMW N47: 52/100 (high risk) versus 87/100 (very high risk). The BMW N47 has 3 documented serious faults, the main one being «Rear timing chain stretch and breakage»; the 1.9 D / dTi has 3 documented serious faults, the main one being «Damaged cylinder head and head gasket (naturally aspirated 1.9 D)».

Risk index

BMW N47

87

Very high risk · 3 serious faults

Risk index

1.9 D / dTi

52

High risk · 3 serious faults

Lower risk

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

21 sourcesHow we work

Is the BMW N47 reliable?

The BMW N47 (2007-2016, including its MINI derivatives N47C16/N47C20) is mechanically sound in the basics, but it carries a serious, well-documented design flaw: the rear timing chain wears or breaks prematurely on many units, especially those built between 2007 and 2009, with repairs from €1,500 to over €8,000 if the engine ends up damaged. Without a clear timing history, great caution is needed.[1][2][3][4]

See the 5 of the BMW N47 faults

Is the 1.9 D / dTi reliable?

Renault's 1.9 D, 1.9 TD and 1.9 dTi diesels (F8Q, F8Qt and F9Q with an injection pump) have a reputation for longevity, but owner reviews repeat three weak points: the injection pump and cylinder head gasket on the naturally aspirated 1.9 D, and the auxiliary belt, EGR and turbo on the dTi. The common-rail 1.9 dCi is a different engine.[5][6][7][8]

See the 7 of the 1.9 D / dTi faults

Side-by-side comparison

Comparison of BMW N47 and 1.9 D / dTi
BMW N471.9 D / dTi
Technical data
TypeEngineEngine
FuelDieselDiesel
Displacement1,995 cm³1,870 cm³
TimingChainTiming belt (dry)
Power90–218 hp55–100 hp
Production2007–2016[1][9][10][11]1988–2006[5][12][13]
Reliability
Risk index (what is it?)87Very high risk52High risk
Documented faults57
Of high or critical severity33
Worst severityCritical severityCritical severity
Main faults
  1. Critical severity: Rear timing chain stretch and breakage
  2. Critical severity: Broken intake manifold swirl flaps
  3. High severity: Turbo and wastegate valve failure
  1. High severity: Damaged cylinder head and head gasket (naturally aspirated 1.9 D)
  2. Critical severity: Brake servo vacuum pump: oil suction and loss of assistance
  3. High severity: Auxiliary and timing belt: breakage that can destroy the engine
Most expensive documented repairup to €3,000Rear timing chain stretch and breakagePublished figure[14][15][16][17][18]No reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
  • N47D20 116 hp (K0/K1, 2007-2014)[1][4]
  • N47D20 143 hp (U0/U1, 2007-2014)[1][4]
  • N47D20 177-184 hp (O0/O1, 2007-2014)[1][4]
  • N47D20 204-218 hp twin-turbo (2007-2014)[1][4]
  • N47C16 90-112 hp (MINI Cooper D, 2010-2016)[10]
  • N47C20 112-143 hp (MINI Cooper SD, 2011-2016)[11]
  • 1.9 D 55/65 hp (F8Q, naturally aspirated indirect injection, 1988-2006)[6][7][8][19]
  • 1.9 TD/dT 90-95 hp (F8Qt, turbo with indirect injection, 1991-2001)[5][8]
  • 1.9 dTi 80-100 hp (F9Q with mechanical pump, direct injection and turbo, 1997-2002)[8][19][20][21]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

Other comparisons

With the BMW N47

With the 1.9 D / dTi

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Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. BMW N47Wikipedia (inglés) · Other source · consulted 26 September 2026
  2. BMW's timing chain problem comes back to haunt carmakerThe Irish Times · General press · consulted 26 September 2026
  3. El problema de la cadena de distribución en los motores N47 de BMWSeis en Línea · Motoring press · consulted 26 September 2026 · in Spanish
  4. Fallo en la cadena de distribución BMW motores N47Arroyo Auto, Especialista BMW MINI · Technical documentation · consulted 26 September 2026 · in Spanish
  5. Moteur F (Renault)Wikipédia (francés) · Other source · consulted 2 November 2026 · in French
  6. Renault Clio IIWikipédia (francés) · Other source · consulted 2 November 2026 · in French
  7. Fiabilité Renault Clio 2 : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  8. Fiabilité Renault Mégane 1 (1995-2002) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  9. BMW N47D20 engine specifications, problems and reliabilityBimmerPulse · Technical documentation · consulted 26 September 2026
  10. N47C16A MotorMotorinsel · Technical documentation · consulted 26 September 2026
  11. N47C20A MotorMotorinsel · Technical documentation · consulted 26 September 2026
  12. Renault F-Type engineWikipedia (inglés) · Other source · consulted 2 November 2026
  13. Renault Clio IIWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  14. Motor N47 - precio cambio cadena BMWTaller Barcelona (Dasercars) · Technical documentation · consulted 26 September 2026 · in Spanish
  15. Precio sustitución cadenas motor N47 BMW MINIArroyo Auto, Especialista BMW MINI · Technical documentation · consulted 26 September 2026 · in Spanish
  16. Motor BMW N47 - Reparación EspecializadaDasercars · Technical documentation · consulted 26 September 2026 · in Spanish
  17. Rotura cadena distribución y rotura motor N47OCU · Consumer association · published 2 September 2021 · consulted 26 September 2026 · in Spanish
  18. Problema cadena BMW motor N47, qué hacer y solucionesRecomotor Blog · Motoring press · consulted 26 September 2026 · in Spanish
  19. Fiabilité Renault Kangoo (1997-2007) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  20. Fiabilité Renault Scénic 1 (1996-2003) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  21. Fiabilité Renault Laguna 1 (1994-2001) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French